Year-to-date U.S. shipments of residential gas storage water heaters increased 1.5 percent, residential electric storage water heaters increased 7.4 percent, commercial gas storage water heaters decreased 11.3 percent, commercial electric storage water heaters decreased 7.8 percent, gas warm-air furnaces decreased 16.6 percent, oil warm-air furnaces decreased 31 percent, central air conditioners decreased 1.7 percent, and heat pumps decreased 2.2 percent.

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SOURCE: Information contained in these graphs is courtesy of the Air-Conditioning, Heating, and Refrigeration Institute (AHRI). Industry figures are estimates that are derived from the best available figures supplied by a sample of AHRI member companies.